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