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