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