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