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)(15,24)(16,27)(17,31)(18,23)(19,20)(21,25)(22,33)(26,34)(28,37)(29,42)(30,35)(32,38)(36,41)(39,44)(40,43) involution — undirected(2,3)(5,7)(6,9)(8,12)(10,11)(13,15,18,19)(14,20,23,24)(16,28,30,25)(17,32,33,26)(21,35,37,27)(22,38,31,34)(29,39,43,41)(36,40,44,42)(1,2,4,3)(7,12)(9,11)(13,16,18,30)(14,21,23,37)(15,25,19,28)(17,29,33,43)(20,27,24,35)(22,36,31,44)(26,39,32,41)(34,40,38,42)(6,10)(9,11)(13,17,18,33)(14,22,23,31)(15,26,19,32)(16,29,30,43)(20,34,24,38)(21,36,37,44)(25,39,28,41)(27,40,35,42)(1,3,4,2)(14,23)(17,33)(20,24)(21,37)(26,32)(27,35)(29,43)(39,41)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.