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