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