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