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