Main Guitar Riff:

E-------------------------------------------------|
B-------------------------------------------------|
G-------------------2--------------------2--------|
D------3-1--1-3-1-3--------3-1-3---1---1-----1-3--|
A--------------------------------3---3-----3------|
E--1-1-----------------1-1------------------------|


Chorus Riff:

E-----------------------------------|
B--------------------------------2--|
G------3-----------------3-----1----|
D----3---3-----4-------3---3--------|
A--1---------4---4---1-------4------|
E----------2------------------------| x 2

E---------------------------------|
B------------------------------2--|
G------1---------------1-----1----|
D----1---1-----4-----1---1--------|
A------------4---4---------4------|
E--4-------2-------4--------------|   x 2


that's the main guitar parts of the song.