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