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