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