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