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