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