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)(13,14,18,19)(15,16,22,20)(17,25,27,21)(23,26,28,24)(29,30)(31,34)(32,40)(33,37)(35,39)(36,41)(38,43)(42,44)(7,11)(9,12)(14,19)(15,22)(21,25)(23,28)(29,31,33,39)(30,34,37,35)(32,38,41,44)(36,42,40,43)(5,7)(6,9)(8,11)(10,12)(13,15,18,22)(14,20,19,16)(17,23,27,28)(21,26,25,24)(29,31)(30,35)(32,38)(33,39)(34,37)(36,43)(40,42)(41,44)(1,2)(3,4)(5,6)(7,9)(8,10)(11,12)(13,16,18,20)(14,15,19,22)(17,26,27,24)(21,28,25,23)(29,30)(31,35)(32,36)(33,37)(34,39)(38,43)(40,41)(42,44)(13,17,18,27)(14,21,19,25)(15,23,22,28)(16,24,20,26)(29,32,33,41)(30,36,37,40)(31,38,39,44)(34,42,35,43)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.