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