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