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