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