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