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