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