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