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