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