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