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