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