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