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)(15,21)(16,23)(17,20)(18,19)(22,28)(24,26)(25,27)(29,30,34,37)(31,35,32,39)(33,36,41,44)(38,42,40,43)(5,6)(7,11)(8,10)(9,12)(14,19)(16,21)(17,25)(22,26)(29,31,34,32)(30,35,37,39)(33,40,41,38)(36,43,44,42)(5,6,8,10)(7,9,12,11)(13,15)(14,16)(17,26)(18,23)(19,21)(20,28)(22,25)(24,27)(29,30)(31,35)(32,39)(33,36)(34,37)(38,42)(40,43)(41,44)(1,2,3,4)(5,6)(7,9)(8,10)(11,12)(13,16)(14,15)(17,24)(18,21)(19,23)(20,22)(25,28)(26,27)(29,32,34,31)(30,35,37,39)(33,40,41,38)(36,42,44,43)(5,7)(6,9)(8,12)(10,11)(13,17,18,25)(14,20,19,27)(15,22,23,26)(16,24,21,28)(29,33)(30,36)(31,38)(32,40)(34,41)(35,42)(37,44)(39,43)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.