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