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