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