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