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