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