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