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