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