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