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