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