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)(19,22)(20,29)(21,25)(23,27)(24,30)(26,31)(28,32)(33,34,38,36)(35,40,43,39)(37,44,46,41)(42,47,45,48)(1,2,6,4)(3,10,9,7)(5,8,13,12)(11,16,15,14)(17,19,23,26)(18,22,27,31)(20,21,30,28)(24,32,29,25)(33,34)(35,39)(36,38)(37,41)(40,43)(42,47)(44,46)(45,48)(2,4)(7,10)(8,12)(14,16)(17,20,23,30)(18,24,27,29)(19,28,26,21)(22,25,31,32)(33,35,38,43)(34,39,36,40)(37,42,46,45)(41,47,44,48)(1,3,6,9)(2,7,4,10)(5,11,13,15)(8,14,12,16)(17,20)(18,24)(19,28)(21,26)(22,25)(23,30)(27,29)(31,32)(33,36,38,34)(35,39,43,40)(37,44,46,41)(42,47,45,48)(1,4,6,2)(3,10,9,7)(5,8,13,12)(11,14,15,16)(17,21,23,28)(18,25,27,32)(19,20,26,30)(22,29,31,24)(33,35)(34,40)(36,39)(37,45)(38,43)(41,47)(42,46)(44,48)(1,5)(2,8)(3,11)(4,12)(6,13)(7,14)(9,15)(10,16)(17,22)(18,26)(19,27)(20,25)(21,24)(23,31)(28,29)(30,32)(33,37)(34,41)(35,42)(36,44)(38,46)(39,47)(40,48)(43,45) 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.