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