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