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