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