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