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