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