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