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