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