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