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