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