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