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