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