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