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