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