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