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