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