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