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