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