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