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