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