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