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