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)(11,14)(12,16)(13,15)(17,18)(19,21)(20,24)(22,23)(25,26)(27,30)(28,29)(31,32)(1,3,6,5)(2,7,4,8)(9,11,13,16)(10,14,15,12)(17,19)(18,20)(21,23)(22,24)(26,29)(30,32)(3,5)(7,8)(9,11)(10,12)(13,16)(14,15)(17,20,22,21)(18,19,23,24)(25,27,28,31)(26,30,29,32)(1,4,6,2)(3,7,5,8)(9,11)(10,12)(13,16)(14,15)(17,21,22,20)(18,19,23,24)(25,26)(27,30)(28,29)(31,32)(1,5,6,3)(2,7,4,8)(9,12)(10,11)(13,14)(15,16)(17,19)(18,20)(21,23)(22,24)(25,27)(26,30)(28,31)(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.