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