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