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