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