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