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