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