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