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