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