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