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