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