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