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