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