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