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