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