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