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