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