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