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)(15,24)(16,20)(17,31)(18,23)(19,27)(21,29)(22,30)(25,37)(26,38)(28,40)(32,33)(34,42)(35,41)(36,44)(39,43)(1,3,4,2)(5,6)(7,10)(8,9)(11,12)(5,7,8,11)(6,10,9,12)(13,15,25,41,16,26,17,27,18,28,29,42,30,43,32,44)(14,19,33,38,22,35,21,24,23,36,31,39,20,34,37,40)(6,9)(10,12)(13,16,18,30)(14,20,23,22)(15,26,28,43)(17,29,32,25)(19,34,36,35)(21,33,37,31)(24,38,40,39)(27,42,44,41)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.