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