One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,8,4,9,5,10)(3,11,14,15,13,7,12,16)(17,18)(19,25)(20,32)(21,24)(22,27)(23,28)(26,34)(29,37)(30,44)(31,39)(33,38)(35,42)(36,41)(40,43)(45,48)(46,47)(1,3,5,12,4,13,6,14)(2,7,10,15,9,11,8,16)(18,24,28,27)(19,29,31,36)(20,33)(25,39)(26,32,42,38)(30,45,46,43)(34,35)(37,41)(2,8)(3,12)(5,6)(9,10)(13,14)(15,16)(17,19)(18,25)(20,30)(21,29)(22,36)(23,31)(24,37)(26,40)(27,41)(28,39)(32,44)(33,46)(34,43)(35,45)(38,47)(42,48) involution — undirected(2,9)(3,13)(8,10)(12,14)(17,20,21,34,23,33,22,35)(18,26,27,32,28,42,24,38)(19,30,29,43,31,46,36,45)(25,40,41,44,39,48,37,47)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.