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