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