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