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