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