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