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