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