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