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