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