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