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)(15,20)(16,26)(17,22)(18,31)(19,23)(21,24)(25,34)(27,40)(28,33)(29,37)(30,38)(32,36)(35,39)(41,44)(42,43) involution — undirected(2,3)(5,7)(6,9)(8,12)(10,11)(13,15,19,18)(14,20,23,31)(16,24,28,32)(17,29,30,25)(21,33,36,26)(22,37,38,34)(27,41,42,39)(35,40,44,43)(1,2,4,3)(13,16)(14,21)(15,24)(17,27)(18,32)(19,28)(20,33)(22,35)(23,36)(25,39)(26,31)(29,41)(30,42)(34,43)(37,40)(38,44)(6,10)(9,11)(13,17,19,30)(14,22,23,38)(15,25,18,29)(16,27,28,42)(20,34,31,37)(21,35,36,44)(24,39,32,41)(26,40,33,43)(1,3,4,2)(7,12)(9,11)(16,28)(17,30)(21,36)(22,38)(24,32)(25,29)(26,33)(34,37)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.