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