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