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