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