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