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