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