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