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