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