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