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