One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,6)(3,7,8,5)(17,18)(19,26)(20,24)(21,30)(22,25)(23,29)(27,32)(28,31)(9,10,15,16)(11,12,13,14)(17,19)(18,23)(20,27)(21,28)(22,29)(24,31)(25,26)(30,32)(1,3,4,8)(2,5,6,7)(9,11,14,10,15,13,12,16)(17,20,22,21)(18,24,25,30)(19,27,29,28)(23,31,26,32)(9,12,15,14)(10,13,16,11)(17,21,22,20)(18,24,25,30)(19,28,29,27)(23,31,26,32)(9,13,14,16,15,11,12,10)(19,29)(23,26)(27,28)(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.