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