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