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