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)(19,28)(20,21)(22,32)(23,25)(24,29)(26,31)(27,30)(1,2,5,4)(3,7,8,6)(9,11,14,13)(10,15,12,16)(17,19,23,29)(18,24,25,28)(20,30,31,22)(21,32,26,27)(1,3,5,8)(2,6,4,7)(10,12)(11,13)(18,25)(19,29)(20,31)(27,32)(1,3,5,8)(2,7,4,6)(9,11,14,13)(10,15,12,16)(17,20)(18,26)(19,30)(21,25)(22,29)(23,31)(24,27)(28,32)(1,3)(2,7)(4,6)(5,8)(9,12,14,10)(11,15,13,16)(17,21,23,26)(18,20,25,31)(19,27,29,32)(22,28,30,24)(1,4,5,2)(3,6,8,7)(9,13,14,11)(10,15,12,16)(17,22,23,30)(18,27,25,32)(19,20,29,31)(21,28,26,24)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.