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