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