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