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