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