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