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