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