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