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