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