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