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