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