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