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