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