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