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)(18,22)(20,27)(23,29)(24,28)(26,31)(30,32)(2,6)(4,11)(7,12)(10,15)(17,18,21,24)(19,23,25,30)(20,28,27,22)(26,32,31,29)(1,3)(2,7)(4,10)(5,9)(6,12)(8,14)(11,15)(13,16)(17,19)(18,23)(20,26)(21,25)(22,29)(24,30)(27,31)(28,32) involution — undirected(19,25)(23,30)(26,31)(29,32) involution — undirected(3,9)(7,12)(10,15)(14,16)(19,25)(23,30)(26,31)(29,32) 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.