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