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