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)(17,18,23,25)(19,24,20,30)(21,26,27,22)(28,29,31,32)(33,34)(35,44)(36,37)(38,48)(39,41)(40,45)(42,47)(43,46)(2,7)(3,10)(4,13)(12,15)(17,19)(18,24)(20,23)(21,31)(22,29)(25,30)(26,32)(27,28)(33,35,39,45)(34,40,41,44)(36,46,47,38)(37,48,42,43)(2,7)(3,10)(4,13)(12,15)(18,25)(19,20)(21,27)(29,32)(34,41)(35,45)(36,47)(43,48) involution — undirected(1,3,6,10)(2,8,7,14)(4,11,13,16)(5,12,9,15)(17,20,23,19)(18,24,25,30)(21,31,27,28)(22,32,26,29)(33,36)(34,42)(35,46)(37,41)(38,45)(39,47)(40,43)(44,48)(1,4,6,13)(2,9,7,5)(3,11,10,16)(8,15,14,12)(17,21)(18,26)(19,28)(20,31)(22,25)(23,27)(24,29)(30,32)(33,37,39,42)(34,36,41,47)(35,43,45,48)(38,44,46,40)(1,5,6,9)(2,4,7,13)(3,12,10,15)(8,11,14,16)(17,22,23,26)(18,27,25,21)(19,29,20,32)(24,28,30,31)(33,38,39,46)(34,43,41,48)(35,36,45,47)(37,44,42,40)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.