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