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