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