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