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