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