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