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