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