One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,6)(4,8)(5,7)(10,13)(11,15)(17,18,24,29,23,20,22,26)(19,25,30,32,21,28,27,31)(1,3,6,2)(4,8,5,7)(9,10,12,13)(11,14,15,16)(17,19,23,21)(18,25,20,28)(22,27,24,30)(26,31,29,32)(10,13)(14,16)(17,20,23,18)(19,25,21,28)(22,26,24,29)(27,32,30,31)(1,4,6,5)(2,7,3,8)(9,11,12,15)(10,14,13,16)(17,21,23,19)(18,25,20,28)(22,30,24,27)(26,31,29,32)(1,5,6,4)(2,7,3,8)(19,21)(25,28)(27,30)(31,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.