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