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