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