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