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