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