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