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