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