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