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