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