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