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