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