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