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)(19,25)(20,27)(22,29)(24,31)(26,28)(30,32)(1,3,5,8,6,13,15,16)(2,7,9,11,10,4,12,14)(17,18)(19,22)(20,24)(21,23)(25,29)(26,30)(27,31)(28,32)(1,4)(2,8)(3,12)(5,14)(6,7)(9,13)(10,16)(11,15)(17,19,21,26)(18,22,23,30)(20,28,27,25)(24,32,31,29)(18,23)(22,30)(24,31)(29,32) involution — undirected(3,13)(4,7)(8,16)(11,14) 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.