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