Ther's a lot of times that the bass isn't playing when the guitar is.
I also made a guitar tab for this song.

Intro
G----------------------------------------------------------
D----------2-2-2222----------4-4-4h6p4---------------------
A-2-2-2222----------2-2-2222-----------4-----------222-2---
E----------------------------------------444-4000-0-----222

Verse 1 part 1
G-----------------
D-----------------
A-----------------
E-0---444--0---222

Verse 1 part 2
G-------------
D-------------
A-------------
E-000--444-222

Chorus
G------------------------------------------------------
D----------2-2-2-2----------4-4-4-4--------------------
A-2-2-2-2----------2-2-2-2--------------------222-2----
E-----------------------------------444-4000-0-----222-

Verse 2 part 1
G-------------------
D-------------------
A-------------------
E-0---444--0---222--

Verse 2 part 2
G--------------------------------------
D---------2-2-2-2---------4-4-4-4------2nd time around, instead of playing
A-2-2-2-2---------2-2-2-2-------------- on the fth fret 8x, do it 2x. 
E--------------------------------------    youll know what i mean when u hear it

Bridge
G---------
D---------   -If u look at my guitar tab for this song youll know when to play
A---------    when i say, "play on bridge 3"
E-0---6-4-    After the guitar does the clean solo and the palm mute part,
              the bass comes in

Outro
You know when the guitar and bass let the notes kinda ring during the last half
of the chorus? You play that 2x on the last chorus and then:

G----------
D----------
A-6-6-66666
E----------

Order:
Intro_________________x2
Verse 1 part 1--------x2
Verse 1 part 2________x4
Chorus----------------x2
Verse 2 part 1________x2
Verse 2 part 2--------x2
Chorus________________x2
Bridge----------------x4
Chorus________________x2
Outro-----------------x2