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