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