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