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