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