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