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