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