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