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