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