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