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