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