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)(19,23)(20,28)(21,22)(24,30)(25,27)(26,32)(29,31)(33,34,39,42)(35,38,41,47)(36,37,40,46)(43,44,45,48)(1,3,7,5)(2,8,6,10)(4,13,14,11)(9,16,12,15)(17,18)(19,25)(20,24)(21,22)(23,27)(26,32)(28,30)(29,31)(33,35)(34,38)(36,43)(37,44)(39,41)(40,45)(42,47)(46,48)(2,6)(8,10)(9,12)(15,16)(18,22)(23,25)(24,28)(31,32)(35,41)(38,47)(43,45)(44,48) involution — undirected(1,4,7,14)(2,9,6,12)(3,11,5,13)(8,15,10,16)(17,19,21,27)(18,23,22,25)(20,29,30,26)(24,32,28,31)(33,36)(34,37)(35,43)(38,44)(39,40)(41,45)(42,46)(47,48)(1,5,7,3)(2,10,6,8)(4,11,14,13)(9,15,12,16)(17,20)(18,24)(19,26)(21,30)(22,28)(23,31)(25,32)(27,29)(33,37)(34,40)(35,44)(36,42)(38,45)(39,46)(41,48)(43,47)(1,6,7,2)(3,10,5,8)(4,12,14,9)(11,16,13,15)(17,18)(19,23)(20,24)(21,22)(25,27)(26,31)(28,30)(29,32)(33,38,39,47)(34,41,42,35)(36,44,40,48)(37,45,46,43)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.