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