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