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