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