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