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