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)(11,14)(12,13)(15,16)(17,18,23,20,24,27,22,32)(19,21,29,28,30,31,26,25)(2,5)(6,8)(17,19,24,30)(18,25,27,28)(20,31,32,21)(22,29,23,26)(1,3,4,7)(2,6,5,8)(10,13)(14,16)(17,20,23,27,24,32,22,18)(19,28,29,31,30,25,26,21)(17,21,22,25,24,31,23,28)(18,26,32,30,27,29,20,19)(9,11,12,15)(10,14,13,16)(17,22,24,23)(18,20,27,32)(19,29,30,26)(21,25,31,28)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.