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