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