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