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)(17,18)(19,22)(20,27)(21,24)(23,28)(25,29)(26,32)(30,31)(33,34,38,41)(35,37,43,39)(36,40,45,48)(42,46,47,44)(1,3)(2,7)(4,9)(5,10)(6,11)(8,15)(12,16)(13,14)(19,25)(22,29)(26,31)(30,32)(33,35)(34,37)(36,42)(38,43)(39,41)(40,46)(44,48)(45,47) involution — undirected(2,4)(7,9)(8,12)(15,16)(17,18,21,24)(19,22,25,29)(20,23,28,27)(26,30,31,32)(33,35,38,43)(34,39,41,37)(36,42,45,47)(40,44,48,46)(1,4,6,2)(3,9,11,7)(5,12,14,8)(10,16,13,15)(17,18)(19,22)(20,23)(21,24)(25,29)(26,30)(27,28)(31,32)(33,35)(34,37)(36,42)(38,43)(39,41)(40,46)(44,48)(45,47)(1,5,6,14)(2,8,4,12)(3,10,11,13)(7,15,9,16)(17,19)(18,22)(20,26)(21,25)(23,30)(24,29)(27,32)(28,31)(33,36)(34,40)(35,42)(37,46)(38,45)(39,44)(41,48)(43,47)(1,3)(2,7)(4,9)(5,13)(6,11)(8,16)(10,14)(12,15)(17,20)(18,23)(19,26)(21,28)(22,30)(24,27)(25,31)(29,32)(33,37)(34,35)(36,44)(38,39)(40,47)(41,43)(42,48)(45,46) 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.