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