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