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