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