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