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