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