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)(21,29)(24,37)(25,34)(26,41)(27,35)(30,36)(31,42)(33,39)(38,44)(40,43)(5,7)(6,9)(8,12)(10,11)(13,15,18,27,19,25,17,26)(14,20,22,35,23,34,32,41)(16,24,30,40,31,38,29,39)(21,33,28,37,36,43,42,44)(2,4)(7,12)(9,11)(13,16,17,29,19,31,18,30)(14,21,22,28,23,36,32,42)(15,24,26,39,25,38,27,40)(20,33,35,37,34,43,41,44)(6,10)(9,11)(15,25)(20,34)(24,38)(26,27)(33,43)(35,41)(37,44)(39,40) 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.