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