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