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