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