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