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