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