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