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