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