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