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