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