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