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