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