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