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