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