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