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