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