One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,10)(8,9)(11,12)(13,14,15,20,25,33,40,31,17,22,26,34,29,37,41,32,18,23,27,35,42,44,43,38,28,36,39,30,16,21,24,19)(1,2)(3,4)(6,9)(10,12) involution — undirected(2,4)(5,7,8,11)(6,10,9,12)(14,19)(15,24)(16,25)(17,28)(20,21)(22,38)(23,32)(26,43)(27,41)(29,42)(30,33)(31,36)(34,44)(35,37)(39,40)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.