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