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