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