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