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