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