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