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