One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,10)(3,12,8,15)(4,14,5,9)(6,13,16,11)(1,3)(2,5)(4,10)(6,9)(7,8)(11,15)(12,13)(14,16) involution — undirected(1,4)(2,8)(3,10)(5,7)(6,15)(9,11)(12,16)(13,14) involution — undirected(1,5)(2,9)(3,13)(4,7)(6,15)(8,11)(10,14)(12,16) involution — undirected(2,10)(3,8)(9,14)(11,13) 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.