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