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