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