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