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