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