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