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