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