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