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