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