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