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