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