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