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)(17,18,23,28)(19,26,21,24)(20,30,31,25)(22,29,32,27)(6,8)(9,10,12,14)(11,13,15,16)(17,19,23,21)(18,24,28,26)(20,27,31,29)(22,30,32,25)(5,6)(7,8)(11,15)(13,16)(17,20,23,31)(18,25,28,30)(19,29,21,27)(22,24,32,26)(1,2,3,4)(9,10)(11,16)(12,14)(13,15)(17,21,23,19)(18,26,28,24)(20,27,31,29)(22,30,32,25)(9,11,12,15)(10,13,14,16)(17,22)(18,27)(19,30)(20,26)(21,25)(23,32)(24,31)(28,29)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.