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