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