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