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