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