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