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