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)(13,14,18,23,19,15,24,27,17,22,31,37,32,26,20,33)(16,21,29,36,30,25,38,40,28,35,41,44,42,39,34,43)(6,9)(7,11)(13,15,18,27,19,22,24,37,17,26,31,33,32,14,20,23)(16,25,29,40,30,35,38,44,28,39,41,43,42,21,34,36)(5,7,8,11)(6,10,9,12)(13,16,17,28)(14,21,22,35)(15,25,26,39)(18,29,31,41)(19,30,32,42)(20,34,24,38)(23,36,37,44)(27,40,33,43)(6,9)(10,12)(16,28)(21,35)(25,39)(29,41)(30,42)(34,38)(36,44)(40,43) 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.