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