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