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