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