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