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