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