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