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