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