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