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