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