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