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