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