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