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