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