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