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