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