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