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)(16,27)(17,22)(18,23)(20,29)(21,25)(24,37)(26,35)(28,44)(30,41)(31,40)(32,39)(33,38)(34,42)(36,43)(5,7)(6,9)(8,12)(10,11)(13,15)(14,19)(16,28)(17,25)(18,32)(20,36)(21,22)(23,39)(24,30)(26,31)(27,44)(29,43)(33,42)(34,38)(35,40)(37,41) involution — undirected(2,4)(13,16,17,29)(14,20,22,27)(15,24,25,42)(18,33,31,30)(19,34,21,37)(23,41,40,38)(26,43,32,28)(35,44,39,36)(2,4)(6,10)(7,12)(13,15)(14,21)(16,24)(17,25)(18,26)(19,22)(20,37)(23,39)(27,34)(28,30)(29,42)(31,32)(33,43)(35,40)(36,41)(38,44) involution — undirected(15,25)(19,21)(24,42)(26,32)(28,43)(34,37)(35,39)(36,44) 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.