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