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