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)(19,25)(20,24)(21,22)(23,27)(26,32)(28,31)(29,30)(1,2,5,7)(3,4,8,6)(18,21)(23,25)(24,29)(31,32)(1,3,5,8)(2,6,7,4)(9,11,14,13)(10,15,12,16)(17,19)(18,23)(20,28)(21,25)(22,27)(24,32)(26,30)(29,31)(1,3,5,8)(2,6,7,4)(9,11,14,13)(10,16,12,15)(17,18,22,21)(19,23,27,25)(20,24,30,29)(26,31,28,32)(1,3)(2,4)(5,8)(6,7)(9,12,14,10)(11,16,13,15)(17,20,22,30)(18,24,21,29)(19,26,27,28)(23,31,25,32)(1,4)(2,3)(5,6)(7,8)(9,13,14,11)(10,16,12,15)(17,21,22,18)(19,25,27,23)(20,29,30,24)(26,32,28,31)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.