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)(15,21)(16,23)(17,25)(18,19)(20,27)(22,24)(26,28)(31,37)(32,40)(34,38)(35,42)(5,7,8,11)(6,9,10,12)(14,19)(16,21)(20,25)(24,28)(29,30,33,36)(31,38,37,34)(32,35,40,42)(39,44,43,41)(5,7)(6,9)(8,11)(10,12)(13,15)(14,16)(17,26)(18,23)(19,21)(20,28)(22,27)(24,25)(29,31,33,37)(30,34,36,38)(32,39,40,43)(35,41,42,44)(1,2,3,4)(13,16)(14,15)(17,24)(18,21)(19,23)(20,22)(25,26)(27,28)(29,30)(31,34)(32,35)(33,36)(37,38)(39,41)(40,42)(43,44)(5,6)(7,9)(8,10)(11,12)(13,17,18,27)(14,20,19,25)(15,22,23,26)(16,24,21,28)(29,32)(30,35)(31,39)(33,40)(34,41)(36,42)(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.