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