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