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