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