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