Standard Tuning (EADG) 

Main riff:

G------------------------------------|
D------------------------------------|
A------------------------------------|
E--3----1-----6---6/8---1----1----3--| 

Variation towards chorus:

G------------------------------------------|
D-------3/5--3-----------------------------|
A---------------5--------------------------|
E--1/3--------------6---6/8---1----1----3--|

May not be 100% perfect, but is close enough for an amazing song.