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