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