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