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