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