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