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