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