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