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