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