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