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