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