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